- cooking spray
- 5 large eggs
- 3 tablespoons all-purpose flour
- 3 tablespoons white sugar
- 2 tablespoons sour cream
- 1/2 teaspoon salt
- 1 cup fresh blueberries
- 1 tablespoon confectioners' sugar, or as needed
- Spray a 1-quart microwave-safe casserole dish with cooking spray.
- Beat eggs by hand in a bowl until slightly frothy; add flour, sugar, sour cream, and salt. Beat until all ingredients are fully incorporated. Pour batter into prepared casserole dish; sprinkle blueberries over batter.
- Microwave on high, turning dish around every minute, until center is set, 4 to 5 minutes. Divide onto plates and sprinkle with confectioners' sugar.